Supplemental type certificate · Winters Aircraft Engr Co
- Holder
- Winters Aircraft Engr Co · United States
- Status
- Current · Amended
- Status date
- April 1, 1976
- Product
- Aircraft · Small Multi-Engine
- Certification basis
- Part 21
From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Installation of lower wing skin straps, lower spar doubler straps and engine mount pickup strap doublers.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
No AD in this release names this STC Approved models · 3
| Make | Model | Data sheet |
|---|
| The de Havilland Aircraft Co. Ltd (England) | DH 114 Heron; Series 2A | A-816 |
| The de Havilland Aircraft Co. Ltd (England) | DH 114 Heron; Series 2DA | A-816 |
| The de Havilland Aircraft Co. Ltd (England) | DH 114 Heron; Series 2X | A-816 |